code: def setUp(self):
      self.model_tester = TFTransfoXLModelTester(self)
      self.config_tester = ConfigTester(
          self, config_class=TransfoXLConfig, d_embed=37
      )
  
imports: import random
  import unittest
  from transformers import TransfoXLConfig, is_tf_available
  from transformers.testing_utils import require_tf, slow
  from ...test_configuration_common import ConfigTester
  from ...test_modeling_tf_common import TFModelTesterMixin, ids_tensor
label_desc: Use image node_id 1 for calling the TFTransfoXLModelTest obj's underlying member method code with example usage: obj.setUp() without return types